My three-hour two with Josh, a certified Philadelphia tour guide, was excellent. The ride is easy and fun - about 13 miles in all. It covers far more of the central city than can be done on a walking tour - from the water works on the Schuylkill to Penn's Landing on the Delaware, with a tasty detour to South Philly's Italian market, and with time enough for photos and learning. The bike I rode was a rental in excellent condition, fit to my size, and the company takes steps to make sure riders are comfortable and safe. I highly recommend this tour.